neonatal jaundice standard values

Written by Li Jiao Yan

Neonatology

Updated on May 07, 2025

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Neonatal jaundice is one of the common symptoms during the neonatal period. It can be a normal physiological phenomenon or a manifestation of certain diseases. Jaundice is generally divided into physiological jaundice and pathological jaundice. Physiological jaundice does not appear very early, progresses slowly, lasts a short time, and is not very severe. Generally, for jaundice monitoring, it is recommended that newborns be closely monitored for changes in jaundice. Jaundice within 24 hours after birth generally does not exceed 6 milligrams per deciliter. From 24 to 48 hours, it generally does not exceed 9, and from 48 to 72 hours it does not exceed 12. After 72 hours, the jaundice level should not exceed 15. If monitoring shows that the jaundice level exceeds the normal range, it is advisable to go to the hospital promptly. The doctor will then determine the specifics of bilirubin levels in the blood. If bilirubin in the blood is indeed elevated, timely intervention and treatment are recommended.

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Written by Shi Ji Peng

Pediatrics

53sec

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Is a newborn jaundice level of 15.8 serious?

Neonatal jaundice of 15.8 is relatively high. Whether this is serious depends primarily on which day after birth the jaundice value of 15.8 appears. If it occurs within the first three days after birth, a jaundice value of 15.8 is considered serious. Furthermore, the earlier it appears, the more severe the child's condition is. For example, if the child shows a jaundice value of 15.8 at 48 hours old, it is less severe compared to it appearing within the first 24 hours after birth. Therefore, once jaundice is observed, it is important to investigate the possible causes, such as hemolytic disease, infection, infant hepatitis, or biliary atresia. Identifying the specific cause allows for targeted treatment of the condition, while also actively treating the jaundice in the child.

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Written by Li Jiao Yan

Neonatology

45sec

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What is considered high for neonatal jaundice?

Neonatal jaundice is common during the neonatal period and can be divided into physiological jaundice and pathological jaundice. Physiological jaundice does not require intervention or treatment, and the baby's condition is generally okay. For physiological jaundice, the bilirubin level typically does not exceed 6 within the first 24 hours after birth, then not exceeding 9 from 24 to 48 hours, not exceeding 12 from 48 to 72 hours, and not exceeding 15 after 72 hours. If the monitored bilirubin levels exceed these ranges, there may be pathological jaundice, indicating abnormally high levels.

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Written by Zhang Xian Hua

Pediatrics

58sec

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Causes of neonatal jaundice

Neonatal jaundice is relatively common and its causes are usually related to the characteristics of neonatal bilirubin metabolism, which are mainly manifested in the following aspects: First, excessive production of bilirubin; second, poor ability of plasma albumin to bind bilirubin; third, poor ability of liver cells to process bilirubin; fourth, the enterohepatic circulation is more prevalent than in adults, thus making physiological jaundice more likely to occur. Furthermore, some children are affected by breastfeeding, with a portion of breastfed babies experiencing breast milk jaundice. Other factors include pathological reasons, such as viral infections common in hepatotropic viruses like cytomegalovirus, TORCH, etc.; jaundice can also occur following exposure to cold, which can lead to decreased resistance and bacterial infections; additionally, some children have jaundice due to genetic metabolic reasons.

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Written by Li Jiao Yan

Neonatology

40sec

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What to do if a newborn has high jaundice?

If a newborn baby has high jaundice that exceeds normal values, it is considered pathological jaundice. Pathological jaundice requires timely intervention. It is generally recommended to go to the hospital, where a specialist in neonatology will conduct a thorough examination of the baby. If necessary, hospitalization or medication might be required for treatment. It is advised that parents should not handle high jaundice on their own, as they generally do not know when the newborn is in a pathological state. It is best to have a specialist doctor manage and treat the baby’s jaundice, and the specialist will also guide the treatment of the jaundice.

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Written by Yao Li Qin

Pediatrics

1min 20sec

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Does neonatal jaundice require medication?

Neonatal jaundice is divided into physiological jaundice and pathological jaundice. Physiological jaundice appears two to three days after birth, peaks around the fifth or sixth day, and then gradually subsides, so there is no need for medication in this case. If it is neonatal pathological jaundice, merely taking medication does not solve the problem; this requires treatment with blue light therapy. At the same time, it is important to identify the cause of the jaundice and treat it accordingly. In such cases, medication is actually not necessary. Therefore, it is crucial to first determine whether neonatal jaundice is physiological or pathological. Physiological jaundice requires no intervention, while pathological jaundice necessitates hospital treatment. Regarding the increasingly common breastfeeding jaundice, medication is generally not needed; monitoring of the jaundice in the child is essential, however. If the jaundice level continues to rise and exceeds 15 mg/dl, blue light therapy is also required. If the condition is not severe, exposing the child to more sunlight and waiting for the jaundice to subside naturally is sufficient.